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Finding the Fourth Proportional to 402,344.24, 555,004.14 and 251,178.80

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Solution

The fourth proportional to 402,344.24, 555,004.14 and 251,178.80 is: 346,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,344.24 : 555,004.14 = 251,178.80 : x
  2. Step 2: Convert to fraction form
    402,344.24/555,004.14 = 251,178.80/x
  3. Step 3: Cross multiply
    402,344.24x = 555,004.14 × 251,178.80
  4. Step 4: Simplify right side
    402,344.24x = 139,405,270,163.29
  5. Step 5: Solve for x
    x = 139,405,270,163.29/402,344.24
  6. Step 6: Final answer
    x = 346,482.58

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